Bump ranch from 1.7.1 to 1.8.0
Bump ranch from 1.7.1 to 1.8.0

Bumps [ranch](https://github.com/ninenines/ranch) from 1.7.1 to 1.8.0.
- [Release notes](https://github.com/ninenines/ranch/releases)
- [Commits](https://github.com/ninenines/ranch/compare/1.7.1...1.8.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
pinterest/elixir-thrift